Description
ZW-GMLCv2 (ZWAGZ) – GM Light Controller Module
Bring professional emergency-vehicle capability to your new GM truck or SUV with the ZW-GMLCv2 Light Controller Module (ZWAGZ). This innovative, plug-and-play unit connects directly to your OEM GM Light Control Module and allows you to flash your factory lights with a simple press of a button or using your OEM controls.
Designed for 2021–2025 GM vehicles, the GMLCv2 gives police, public-safety, and fleet users three powerful flash patterns—each selectable right from your high-beam lever. Whether for roadside safety, amber warning, or show use, it delivers clean OEM-level integration without splicing a single wire.
Key Features
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3 Flash Patterns – Includes strobe, wig-wag, and triple-burst sequences
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Plug & Play Installation – No wire cutting or programming required
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Multiple Activation Options –
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OEM high-beam lever
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Included push-button switch
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Up-fitter trigger wire
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OEM key-fob remote
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Output Sync – Flash patterns can be mirrored to external LED systems
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Factory Integration – Works seamlessly with GM’s OE Lighting Control Module
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1-Year Warranty – Reliable, Canadian-backed support
Vehicle Compatibility
| Model | Year Range | Notes |
|---|---|---|
| Chevy Silverado 1500 | 2022–2025 | Facelift models only* |
| GMC Sierra 1500 | 2022–2025 | Facelift models only* |
| Chevy Suburban / Tahoe | 2021–2024 | |
| GMC Yukon | 2021–2024 | |
| Chevy Silverado HD 2500 / 3500 | 2023–2025 | Always compatible |
| GMC Sierra HD 2500 / 3500 | 2023–2025 | Always compatible |
| Cadillac Escalade / ESV | 2021–2024 |
*Requires presence of the OE GM lighting control module (beside BCM).
2025 SUVs & GM electric vehicles currently not supported.
Why Choose ZW-GMLCv2?
Unlike complex wiring kits or expensive up-fit systems, the ZW-GMLCv2 installs in minutes and keeps your factory wiring intact. It’s a true OEM-integrated flasher solution for those who demand reliability and control. From law enforcement to snowplow contractors, this module gives your GM truck professional-grade flash capability without compromising warranty or electrical integrity.